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Dr. Jonas Salk, Developer of Killed Vaccine

Credit: National Library Medicine
article: Polio Vaccines, What They Are and How They Work. 		Other images from this article
Poliovirus Electron Micrograph Iron Lung, Tank Respirator for Polio Victims Polio-Caused Deformation of Right Leg Dr. Jonas Salk, Developer of Killed Vaccine Dr. Albert Sabin, Developer of Oral Polio Vaccine
Dr. Jonas Salk, Developer of Killed Vaccine , National Library Medicine